2.2. Communication cable

2.2. Communication cable

 

Cables of CAT5 or higher grade and RJ45 connectors need to be used for connecting the BD525 PROFINET IO board, through a network, with a hub, switches and other PROFINET IO devices. As the BD525 board supports the auto crossover function, direct or crossover connection can be made as necessary.

 

n When to be connected with a hub or a switch

 

 

Figure 2.2 Connecting Direct cable

 

 

 

Figure 2.3 Connecting Crossover cable

 

n When to be directly connected with an PROFINET IO device

 

 

Figure 2.4 Connecting Direct cable

 

 

Figure 2.5 Connecting Direct cable

 

In order to increase noise immunity, it is recommended to use STP (Shielded Twisted Pair) cables. For details of cable wiring, please refer to the PNO installation guide.